Sunday, October 25, 2015

The Autumn Factor

Staff Writer, Nathaniel Diaz
Weather / Autumn
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With the shift toward winter, the weather fluctuates between hot and cool. Autumn is here and the cool evenings and mornings are a welcomed sight. The desert is getting a break from the hot temperatures of the blazing summer. 

What can we expect?

Solar flares have been quiet while the filament releases have energized our planetary weather system that have lasted these couple of weeks creating warmer temperatures like the 90's for this week. See Suspicious Observers for more information:


Our local forecast appears to be such: 
Forecast Discussion: The upper-level low pressure system that has brought active weather to central Arizona this week is finally beginning to move out of the area. This puts Arizona underneath a dry, northwesterly flow pattern. As drier air filters into the state, skies will be clear each day through Saturday. Temperatures will rebound, approaching 90°F by Saturday. Near-surface winds are also expected to be light and variable. The two main pollutants currently in the spotlight for this air quality forecast are ozone and PM-2.5. As more stagnant conditions take hold over the next few days, both of these pollutants have the potential to accumulate more near the ground. Clear skies also mean more sunlight for local ozone production and stronger nocturnal inversions for overnight PM-2.5 build-up. Since history shows us that Moderate ozone levels are uncommon in late October, ozone is expected to remain in the Good range. The outcome of PM-2.5 levels is a little more uncertain, however. We will keep PM-2.5 in the upper Good range for now and will reevaluate it tomorrow for the weekend. Check back on Friday for a closer look at the weekend's weather and air quality. Until then, have a good day! -M.Graves
For the rest of October, the Farmer's Almanac writes:

California, Nevada, Utah, ArizonaIncludes California, Nevada, Utah, Arizona
24th-27th. Clearing weather, turning colder.
28th-31st. Unsettled, showery.

Our local community forecast for today through Halloween is:




Source: AQED, Farmer's Almanac, Weather Underground

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